2:4 Muscles of Inspiration: Upper Arm and Shoulders

Question 1

Mnemonic for the muscles of the upper arm and shoulder is…

Answer 1

Please Play Soccer

Question 2

Muscles of the Upper Arm and Shoulder:

function of these muscles for inspiration are not the muscles primary function

Answer 2

1. Pectoralis Major
2. Pectoralis Minor
3. Serratus Anterior

Question 3

Pertoralis Major:

Answer 3

Large, fan-shaped muscle that originates from two heads

Question 4

Pertoralis Major O, I, A?

Answer 4

Origin: sternal head and clavicular head

Insertion: greater tubercle of humerus

Action: elevates sternum and increases expansion of the rib cage

Question 5

Pertoralis Minor:

Answer 5

Lies under Pectoralis Major

Question 6

Pertoralis Minor O, I, A?

Answer 6

Origin: ribs 2-5

Insertion: coracoid process of scapula

Action: with shoulder fixed, elevates ribs 2-5

Question 7

Serratus Anterior:

Answer 7

Similar to a serrated knife (serratus)

Question 8

Serratus Anterior O, I, A?

Answer 8

Origin: ribs 1-9

Insertion: scapula

Action: with shoulder fixed, elevates ribs 1-9